732780030 has 64 divisors (see below), whose sum is σ = 1856908800. Its totient is φ = 184556160.

The previous prime is 732780017. The next prime is 732780089. The reversal of 732780030 is 30087237.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 732780030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202840 + ... + 206420.

It is an arithmetic number, because the mean of its divisors is an integer number (29014200).

Almost surely, 2^732780030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 732780030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928454400).

732780030 is an abundant number, since it is smaller than the sum of its proper divisors (1124128770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

732780030 is a wasteful number, since it uses less digits than its factorization.

732780030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 732780030 is about 27069.9100478742. The cubic root of 732780030 is about 901.5528869625.

The spelling of 732780030 in words is "seven hundred thirty-two million, seven hundred eighty thousand, thirty".